9127840

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 21840840

約数和(自身を除く): 12713000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 641, 712, 890, 1282, 1424, 1780, 2564, 2848, 3205, 3560, 5128, 6410, 7120, 10256, 12820, 14240, 20512, 25640, 51280, 57049, 102560, 114098, 228196, 285245, 456392, 570490, 912784, 1140980, 1825568, 2281960, 4563920, 9127840]

約数ペア:

[(1, 9127840), (2, 4563920), (4, 2281960), (5, 1825568), (8, 1140980), (10, 912784), (16, 570490), (20, 456392), (32, 285245), (40, 228196), (80, 114098), (89, 102560), (160, 57049), (178, 51280), (356, 25640), (445, 20512), (641, 14240), (712, 12820), (890, 10256), (1282, 7120), (1424, 6410), (1780, 5128), (2564, 3560), (2848, 3205)]